High Pressure
North AmericaPhysical EnvironmentA region where atmospheric pressure at the surface is greater than surrounding areas
NOAAA map highlights the high-pressure regions in North America with a letter H enclosed in a circle. Near Columbia Kootenay Mountain and, near Ottawa.
High Pressure | Areas of Strong Tornado Occurrence | Areas of Strong Tornado Occurrence | Areas of Strong Tornado Occurrence | Areas of Strong Tornado Occurrence | Regions of Weaker-Performing Cities | |
|---|---|---|---|---|---|---|
Idaho | 1 | |||||
New Hampshire | 2 | |||||
Vermont | 1 | |||||
Wyoming | 15 | 3 | ||||
Montana | 8 | 4 | ||||
North Dakota | 38 | 6 | 5 | |||
Virginia | 28 | 8 | ||||
Delaware | 3 | |||||
Saskatchewan | 7 | |||||
West Virginia | 4 | |||||
Nebraska | 67 | 13 | 7 | |||
Texas | 193 | 46 | 7 | |||
Missouri | 95 | 36 | 7 | 1 | ||
North Carolina | 54 | 12 | ||||
New Mexico | 7 | |||||
Kansas | 82 | 56 | 10 | 1 | ||
British Columbia | 1 | 1 | ||||
New Jersey | 2 | 1 | ||||
South Carolina | 46 | 15 | 1 | |||
Alberta | 9 | |||||
Colorado | 25 | 3 | ||||
Massachusetts | 2 | 1 | ||||
New York | 17 | 1 | ||||
Maryland | 8 | 1 | ||||
Québec | 1 | 30 | 1 | |||
Manitoba | 5 | 4 | 1 | 1 | ||
Oklahoma | 104 | 29 | 8 | 2 | ||
Tennessee | 82 | 27 | 8 | |||
Ontario | 46 | 1 | ||||
Arkansas | 105 | 23 | 4 | |||
South Dakota | 47 | 7 | 4 | |||
Iowa | 86 | 17 | 4 | 1 | ||
Arizona | 5 | 1 | 65.7% | |||
Utah | 2 | 7.30% | ||||
Florida | 31 | 6 | 98.0% | |||
Washington | 1 | 11.4% | ||||
Kentucky | 87 | 26 | 2 | 23.6% | ||
Mississippi | 162 | 45 | 7 | 2 | 16.0% | |
Louisiana | 93 | 15 | 2 | 19.2% | ||
Oregon | 2 | 69.4% | ||||
Alabama | 149 | 34 | 13 | 2 | 33.3% | |
Wisconsin | 32 | 11 | 51.5% | |||
Michigan | 20 | 3 | 52.9% | |||
Pennsylvania | 31 | 3 | 6.30% | |||
Nevada | 85.0% | |||||
Georgia | 90 | 31 | 4 | 32.1% | ||
California | 3 | 99.6% | ||||
Ohio | 42 | 7 | 3 | 60.8% | ||
Indiana | 58 | 18 | 1 | 56.0% | ||
Minnesota | 60 | 11 | 4 | 10.2% | ||
Illinois | 108 | 21 | 6 | 11.9% | ||
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